<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import {userRegisterService,mail,userlogin} from '@/api/user.js'
import {ElMessage} from 'element-plus';
import{useRouter} from 'vue-router'
import { useTokenStore } from '@/stores/token';

const tokenStore=useTokenStore();
const router=useRouter()
//控制注册与登录表单的显示， 默认显示登录
const isRegister = ref(false)
const countdown = ref(0);
const registerData=ref({
    userName:'',
    password:'',
    repassword:'',
    code:'',
    email:''
})
const isSending = ref(false); 
const sendCode = async () => {  
  if (isSending.value || !registerData.value.email) return;  
  
  // 这里可以添加发送验证码到服务器的逻辑  
  let result=await mail(registerData.value.email);
  ElMessage.success(result.data)
  // 开始倒计时  
  isSending.value = true;  
  countdown.value = 60;  
  
  const timer = setInterval(() => {  
    countdown.value--;  
    if (countdown.value <= 0) {  
      clearInterval(timer);  
      isSending.value = false;  
      countdown.value = 0;  
    }  
  }, 1000); };
  //校验密码方法
  const checkRePassword=(rule,value,callback)=>{
if(value===''){
    callback(new Error('请再次输入密码'))
}else if(value!==registerData.value.password){
    callback(new Error('请确保两次输入的密码相同'))
}else callback()
  }
  //表单校验规则
  const rules={
    userName:[
        {required:true,message:'请输入用户名',trigger:'blur'},
        {min:5,max:16,message:'长度为5-16位',trigger:'blur'}
    ],
    password:[
        {required:true,message:'请输入密码',trigger:'blur'},
        {min:5,max:16,message:'长度为5-16位',trigger:'blur'}
    ],
    repassword:[
        {validator:checkRePassword,trigger:'blur'}
    ],
    email:[{required:true,message:'请输入邮箱',trigger:'blur'}
    ],
    code:[
        {required:true,message:'请输入验证码',trigger:'blur'}
    ]
  }
  //调用注册接口
  const register=async ()=>{
    let result=await userRegisterService(registerData.value);
    ElMessage.success(result.data)
  }
  //登录接口
  const login=async()=>{
    //if (!registerData) return
        let result=await userlogin(registerData.value);
        tokenStore.setToken(result.data);
        ElMessage.success('登录成功')
        //路由跳转
        router.push('/')
  }
</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="userName">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.userName" ></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="repassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码" v-model="registerData.repassword"></el-input>
                </el-form-item>
                <el-form-item prop="email">
                    <el-col :span="16">
                    <el-input  :prefix-icon="Lock" type="email" placeholder="请输入邮箱" v-model="registerData.email"></el-input></el-col>
                    <el-col :span="1"></el-col>
                    <el-col :span="4"> <el-button type="primary" @click="sendCode" :disabled="isSending" >  
                    {{ countdown > 0 ? countdown + '秒' : '发送验证码' }}  
                    </el-button></el-col>
                </el-form-item>
                <el-form-item prop="code">
                    <el-input  :prefix-icon="Lock"  placeholder="请输入验证码" v-model="registerData.code"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="register">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="userName">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.userName"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login()">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
    height: 100vh;
    background-color: #fff;

    .bg {
        background: /* url('@/assets/logo2.png') no-repeat 60% center / 240px auto, */
            url('@/assets/logo.jpg') no-repeat center / cover;
        border-radius: 0 20px 20px 0;
    }

    .form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        user-select: none;

        .title {
            margin: 0 auto;
        }

        .button {
            width: 100%;
        }

        .flex {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
    }
}
</style>